java.lang.IllegalAccessError: superclass access check failed:

[guerrino.santoni]

This is my error in B4J:

 

java.lang.IllegalAccessError: superclass access check failed: class Times45Oriz_1584890431843_790524 (in unnamed module @0x54bf786a) cannot access class net.sf.jasperreports.engine.fill.JREvaluator (in module b4j) because module b4j does not export net.sf.jasperreports.engine.fill to unnamed module @0x54bf786a
        at java.base/java.lang.ClassLoader.defineClass1(Native Method)
        at java.base/java.lang.ClassLoader.defineClass(Unknown Source)
        at b4j/net.sf.jasperreports.engine.util.JRClassLoader.loadClass(Unknown Source)
        at b4j/net.sf.jasperreports.engine.util.JRClassLoader.loadClassFromBytes(Unknown Source)
        at b4j/net.sf.jasperreports.engine.design.JRAbstractJavaCompiler.loadEvaluator(Unknown Source)
        at b4j/net.sf.jasperreports.engine.design.JRAbstractCompiler.loadEvaluator(Unknown Source)
        at b4j/net.sf.jasperreports.engine.JasperCompileManager.getEvaluator(Unknown Source)
        at b4j/net.sf.jasperreports.engine.fill.JRFillDataset.createCalculator(Unknown Source)
        at b4j/net.sf.jasperreports.engine.fill.BaseReportFiller.<init>(Unknown Source)
        at b4j/net.sf.jasperreports.engine.fill.JRBaseFiller.<init>(Unknown Source)
        at b4j/net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(Unknown Source)
        at b4j/net.sf.jasperreports.engine.fill.JRFiller.createBandReportFiller(Unknown Source)
        at b4j/net.sf.jasperreports.engine.fill.JRFiller.createReportFiller(Unknown Source)
        at b4j/net.sf.jasperreports.engine.fill.JRFiller.fill(Unknown Source)
        at b4j/net.sf.jasperreports.engine.fill.JRFiller.fill(Unknown Source)
        at b4j/net.sf.jasperreports.engine.JasperFillManager.fill(Unknown Source)
        at b4j/net.sf.jasperreports.engine.JasperFillManager.fillReport(Unknown Source)
        at b4j/com.prusb.jasperrep.JasperReports.Print(Unknown Source)
        at b4j/com.guerrinosantoni.timesofart.cercaestampa._btnreport_click(Unknown Source)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.base/java.lang.reflect.Method.invoke(Unknown Source)
        at b4j/anywheresoftware.b4a.BA.raiseEvent2(Unknown Source)
        at b4j/anywheresoftware.b4a.BA$1.run(Unknown Source)
        at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(Unknown Source)
        at java.base/java.security.AccessController.doPrivileged(Native Method)
        at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(Unknown Source)
        at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
        at javafx.graphics/com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
        at javafx.graphics/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(Unknown Source)
        at java.base/java.lang.Thread.run(Unknown Source)

 

 

What can i do to fix it?

thanks